242 lines
7.6 KiB
Diff
242 lines
7.6 KiB
Diff
From c246af6b85bfb326d10eb56e0d2563138495dfa2 Mon Sep 17 00:00:00 2001
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From: Oz Tiram <oz.tiram@noris.de>
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Date: Fri, 7 Feb 2020 21:57:10 +0100
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Subject: [PATCH] Make synctex optional
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Not everyone who reads PDF's is necessarily a LaTeX user.
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These changes allow users to install atril without the huge bagage
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of tex-live on systems where synctex isn't provided as a stand alone
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library.
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---
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configure.ac | 25 +++++++++++++++++--------
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libdocument/ev-document.c | 16 ++++++++++++----
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libview/ev-view.c | 9 ++++++++-
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shell/ev-window.c | 5 +++++
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4 files changed, 42 insertions(+), 13 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 529ef2a0..543808f8 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -361,15 +361,25 @@ AC_SUBST([GIRTYPELIBDIR])
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AM_CONDITIONAL([ENABLE_INTROSPECTION],[test "$enable_introspection" = "yes"])
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dnl ================== libsynctex ===========================================
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+AC_ARG_ENABLE([synctex],
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+ [AS_HELP_STRING([--disable-synctex], [Disable support for synctex])],
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+ [],
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+ [enable_synctex=yes])
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-PKG_CHECK_MODULES(SYNCTEX, [synctex >= $SYNCTEX_REQUIRED], has_synctex=yes, has_synctex=no)
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-dnl not found? use internal code copy.
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-if test "x$has_synctex" = "xno"; then
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- AC_MSG_ERROR("SyncTeX support is disabled since library version $SYNCTEX_REQUIRED or newer not found")
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+if test "$enable_synctex" = "yes"; then
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+ AC_DEFINE([ENABLE_SYNCTEX],[1],[Define if synctex support is enabled])
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+ PKG_CHECK_MODULES(SYNCTEX, [synctex >= $SYNCTEX_REQUIRED], has_synctex=yes, has_synctex=no)
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+ dnl not found? use internal code copy.
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+ if test "x$has_synctex" = "xno"; then
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+ AC_MSG_ERROR("SyncTeX support is disabled since library version $SYNCTEX_REQUIRED or newer not found")
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+ fi
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+ AC_SUBST(SYNCTEX_LIBS)
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+ AC_SUBST(SYNCTEX_CFLAGS)
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fi
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-AC_SUBST(SYNCTEX_LIBS)
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-AC_SUBST(SYNCTEX_CFLAGS)
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+
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+AM_CONDITIONAL([ENABLE_SYNCTEX], [test "$enable_synctex" = "yes"])
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+
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dnl ================== portability checks ===========================================
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@@ -770,6 +780,7 @@ Configure summary:
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Tests...............: $enable_tests
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PDF Backend.........: $enable_pdf
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+ Synctex enabled.....: $enable_synctex
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PostScript Backend..: $enable_ps
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TIFF Backend........: $enable_tiff
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DJVU Backend........: $enable_djvu
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@@ -778,6 +789,4 @@ Configure summary:
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Comics Backend......: $enable_comics
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XPS Backend.........: $enable_xps
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ePub Backend........: $have_webkit
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-
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- SyncTeX.............: $has_synctex
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"
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diff --git a/libdocument/ev-document.c b/libdocument/ev-document.c
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index b713a671..be082aeb 100644
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--- a/libdocument/ev-document.c
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+++ b/libdocument/ev-document.c
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@@ -25,7 +25,9 @@
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#include <string.h>
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#include "ev-document.h"
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+#ifdef ENABLE_SYNCTEX
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#include "synctex_parser.h"
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+#endif
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#include "ev-file-helpers.h"
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typedef struct _EvPageSize
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@@ -53,8 +55,9 @@ struct _EvDocumentPrivate
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gchar **page_labels;
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EvPageSize *page_sizes;
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EvDocumentInfo *info;
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-
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+#ifdef ENABLE_SYNCTEX
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synctex_scanner_p synctex_scanner;
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+#endif
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};
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static gint _ev_document_get_n_pages (EvDocument *document);
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@@ -124,12 +127,12 @@ ev_document_finalize (GObject *object)
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ev_document_info_free (document->priv->info);
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document->priv->info = NULL;
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}
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-
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+#ifdef ENABLE_SYNCTEX
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if (document->priv->synctex_scanner) {
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synctex_scanner_free (document->priv->synctex_scanner);
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document->priv->synctex_scanner = NULL;
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}
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-
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+#endif
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G_OBJECT_CLASS (ev_document_parent_class)->finalize (object);
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}
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@@ -137,8 +140,9 @@ static void
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ev_document_init (EvDocument *document)
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{
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document->priv = ev_document_get_instance_private (document);
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+#ifdef ENABLE_SYNCTEX
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document->synctex_version = SYNCTEX_VERSION_STRING;
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-
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+#endif
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/* Assume all pages are the same size until proven otherwise */
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document->priv->uniform = TRUE;
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/* Assume that the document is not a web document*/
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@@ -336,6 +340,7 @@ ev_document_load (EvDocument *document,
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}
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priv->info = _ev_document_get_info (document);
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+#ifdef ENABLE_SYNCTEX
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if (_ev_document_support_synctex (document)) {
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gchar *filename;
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@@ -346,6 +351,7 @@ ev_document_load (EvDocument *document,
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g_free (filename);
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}
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}
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+#endif
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}
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return retval;
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@@ -388,6 +394,7 @@ _ev_document_support_synctex (EvDocument *document)
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return klass->support_synctex ? klass->support_synctex (document) : FALSE;
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}
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+#ifdef ENABLE_SYNCTEX
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gboolean
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ev_document_has_synctex (EvDocument *document)
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{
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@@ -492,6 +499,7 @@ ev_document_synctex_forward_search (EvDocument *document,
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return result;
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}
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+#endif /* ENABLE_SYNCTEX */
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static gint
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_ev_document_get_n_pages (EvDocument *document)
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diff --git a/libview/ev-view.c b/libview/ev-view.c
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index a195ba21..e98582d3 100644
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--- a/libview/ev-view.c
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+++ b/libview/ev-view.c
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@@ -3210,6 +3210,7 @@ ev_view_remove_annotation (EvView *view,
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g_object_unref (annot);
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}
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+#ifdef ENABLE_SYNCTEX
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static gboolean
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ev_view_synctex_backward_search (EvView *view,
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gdouble x,
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@@ -3235,6 +3236,7 @@ ev_view_synctex_backward_search (EvView *view,
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return FALSE;
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}
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+#endif
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/* Caret navigation */
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#define CURSOR_ON_MULTIPLIER 2
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@@ -4078,8 +4080,10 @@ ev_view_draw (GtkWidget *widget,
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show_annotation_windows (view, i);
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if (page_ready && view->focused_element)
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draw_focus (view, cr, i, &clip_rect);
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+#ifdef ENABLE_SYNCTEX
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if (page_ready && view->synctex_result)
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highlight_forward_search_results (view, cr, i);
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+#endif
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}
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if (GTK_WIDGET_CLASS (ev_view_parent_class)->draw)
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@@ -4472,9 +4476,10 @@ ev_view_button_press_event (GtkWidget *widget,
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EvFormField *field;
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EvMapping *link;
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gint page;
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-
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+#ifdef ENABLE_SYNCTEX
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if (event->state & GDK_CONTROL_MASK)
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return ev_view_synctex_backward_search (view, event->x , event->y);
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+#endif
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if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
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if (event->type == GDK_3BUTTON_PRESS) {
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@@ -7522,6 +7527,7 @@ ev_view_find_cancel (EvView *view)
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view->find_pages = NULL;
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}
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+#ifdef ENABLE_SYNCTEX
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/*** Synctex ***/
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void
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ev_view_highlight_forward_search (EvView *view,
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@@ -7549,6 +7555,7 @@ ev_view_highlight_forward_search (EvView *view,
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ensure_rectangle_is_visible (view, &view_rect);
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gtk_widget_queue_draw (GTK_WIDGET (view));
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}
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+#endif /* ENABLE_SYNCTEX */
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/*** Selections ***/
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static gboolean
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diff --git a/shell/ev-window.c b/shell/ev-window.c
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index e4cbce93..a2da929d 100644
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--- a/shell/ev-window.c
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+++ b/shell/ev-window.c
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@@ -7751,6 +7751,8 @@ ev_window_emit_doc_loaded (EvWindow *window)
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ev_atril_window_emit_document_loaded (window->priv->skeleton, window->priv->uri);
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}
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+
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+#ifdef ENABLE_SYNCTEX
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static gboolean
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handle_sync_view_cb (EvAtrilWindow *object,
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GDBusMethodInvocation *invocation,
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@@ -7771,6 +7773,7 @@ handle_sync_view_cb (EvAtrilWindow *object,
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return TRUE;
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}
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+#endif
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#endif /* ENABLE_DBUS */
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static gboolean
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@@ -7831,9 +7834,11 @@ ev_window_init (EvWindow *ev_window)
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ev_window->priv->dbus_object_path,
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&error)) {
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ev_window->priv->skeleton = skeleton;
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+#ifdef ENABLE_SYNCTEX
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g_signal_connect (skeleton, "handle-sync-view",
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G_CALLBACK (handle_sync_view_cb),
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ev_window);
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+#endif
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} else {
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g_printerr ("Failed to register bus object %s: %s\n",
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ev_window->priv->dbus_object_path, error->message);
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